How to create a code generator for a new programming language?

Hi, I am Mehdi, founder and cofounder of several IT companies, mainly creating language compilers and translators.

I am interested in adding a 4th generation language with embedded SQL, aimed at writing business applications, to the OpenAI.

I am new to this forum and would appreciate guidance from anyone who can fast track my knowledge and where to start from.

I understand that providing the syntax of a language in BNF or EBNF may help OpenAI in learning the Syntax and Grammar of the language. Further providing code of programs written in the language will also help. The more code the better learning. I can provide all the above.